<svg xmlns="http://www.w3.org/2000/svg"><foreignObject id="fo">
  <div xmlns="http://www.w3.org/1999/xhtml" style="display: -moz-popup;"></div></foreignObject><script>

function boom()
{
  document.getElementById("fo").style.MozAppearance = "menuitem";
}

window.addEventListener("load", boom, false);

</script></svg>

